42292307 has 2 divisors, whose sum is σ = 42292308. Its totient is φ = 42292306.

The previous prime is 42292273. The next prime is 42292319. The reversal of 42292307 is 70329224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42292307 - 2⁸ = 42292051 is a prime.

It is equal to p_2564345 and since 42292307 and 2564345 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42292307.

It is not a weakly prime, because it can be changed into another prime (42292387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21146153 + 21146154.

It is an arithmetic number, because the mean of its divisors is an integer number (21146154).

Almost surely, 2^42292307 is an apocalyptic number.

42292307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42292307 is an equidigital number, since it uses as much as digits as its factorization.

42292307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42292307 is about 6503.2535703292. The cubic root of 42292307 is about 348.4072032362.

It can be divided in two parts, 422 and 92307, that added together give a palindrome (92729).

The spelling of 42292307 in words is "forty-two million, two hundred ninety-two thousand, three hundred seven".